//
//  JKObserve.m
//  JKKVC
//
//  Created by 王冲 on 2018/6/15.
//  Copyright © 2018年 JK科技有限公司. All rights reserved.
//

#import "JKObserve.h"

@implementation JKObserve

-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context{
    
    NSLog(@"%@ 的 %@ 属性值从 %@ 变为 %@ ",object,keyPath,change[@"old"],change[@"new"]);
}

@end
